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20212026
most citedEnhancing Histopathological Image Classification via Integrated HOG and Deep Features with Robust Noise Performance

1 citations · 2 across the 7 of their papers we have counts for

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7 papers

cs.CV2026★ 1 cited

Enhancing Histopathological Image Classification via Integrated HOG and Deep Features with Robust Noise Performance

Ifeanyi Ezuma, Ugochukwu Ugwu

The era of digital pathology has advanced histopathological examinations, making automated image analysis essential in clinical practice. This study evaluates the classification pe…

cs.LG2024

Optimizing Sparse Generalized Singular Vectors for Feature Selection in Proximal Support Vector Machines with Application to Breast and Ovarian Cancer Detection

Ugochukwu O. Ugwu, Michael Kirby

This paper presents approaches to compute sparse solutions of Generalized Singular Value Problem (GSVP). The GSVP is regularized by -norm and -penalty for ,…

math.NA2024

TRIPs-Py: Techniques for Regularization of Inverse Problems in Python

Mirjeta Pasha, Silvia Gazzola, Connor Sanderford +1

In this paper, we describe TRIPs-Py, a new Python package of linear discrete inverse problems solvers and test problems. The goal of the package is two-fold: 1) to provide tools fo…

math.NA2023

Fast randomized algorithms for computing the generalized tensor SVD based on the tubal product

Salman Ahmadi-Asl, Ugochukwu Ugwu

This work deals with developing two fast randomized algorithms for computing the generalized tensor singular value decomposition (GTSVD) based on the tubal product (t-product). The…

math.NA2021

Tensor regularization by truncated iteration: a comparison of some solution methods for large-scale linear discrete ill-posed problem with a t-product

Ugochukwu O. Ugwu, Lothar Reichel

This paper describes and compares some structure preserving techniques for the solution of linear discrete ill-posed problems with the t-product. A new randomized tensor singular v…

math.NA2021★ 1 cited

Tensor Arnoldi-Tikhonov and GMRES-type methods for ill-posed problems with a t-product structure

Lothar Reichel, Ugochukwu O. Ugwu

This paper describes solution methods for linear discrete ill-posed problems defined by third order tensors and the t-product formalism introduced in [M. E. Kilmer and C. D. Martin…

math.NA2021

Weighted tensor Golub-Kahan-Tikhonov-type methods applied to image processing using a t-product

Lothar Reichel, Ugochukwu O Ugwu

This paper discusses weighted tensor Golub-Kahan-type bidiagonalization processes using the t-product. This product was introduced in [M. E. Kilmer and C. D. Martin, Factorization…